Which question can be answered using the scientific method? (2 points)
a
Which type of dog fo...
Physics, 19.02.2021 08:30 bbqchicken243
Which question can be answered using the scientific method? (2 points)
a
Which type of dog food has more calories per serving: brand 1 or brand 2?
b
What color is the most attractive: red, blue, green, or yellow?
c
Which type of pie is the best: cherry, apple, or blueberry?
d
Which flower smells best: a rose, carnation, or tulip?
Answers: 1
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Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life
Answers: 3
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 18:30
Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
Physics, 22.06.2019 18:30
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
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